From 562acfb76338b81a34f9c5ca9808f0176eebc84b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 18 Feb 2011 10:00:57 -0700
Subject: [PATCH] ...

---
 src/calibre/devices/scanner.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/calibre/devices/scanner.py b/src/calibre/devices/scanner.py
index 241d503c14..c63eada0c8 100644
--- a/src/calibre/devices/scanner.py
+++ b/src/calibre/devices/scanner.py
@@ -75,6 +75,9 @@ class WinPNPScanner(object):
         return order
 
     def __call__(self, debug=False):
+        #import traceback
+        #traceback.print_stack()
+
         if self.scanner is None:
             return {}
         try: